SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-4486

Under certain circumstances, invalid authentication credentials could be sent to the login endpoint of Johnson Controls Metasys NAE55, SNE, and SNC engines prior to versions 11.0.6 and 12.0.4 and Facility Explorer F4-SNC engines prior to versions 11.0.6…

HIGH 7.5EPSS 0.83%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.83%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Under certain circumstances, invalid authentication credentials could be sent to the login endpoint of Johnson Controls Metasys NAE55, SNE, and SNC engines prior to versions 11.0.6 and 12.0.4 and Facility Explorer F4-SNC engines prior to versions 11.0.6 and 12.0.4 to cause denial-of-service.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.83% probability · 55th percentile
CISA KEV
Not listed
Weakness
CWE-400, CWE-770
Affected
johnsoncontrols/nae55 firmware · johnsoncontrols/sne22000 firmware · johnsoncontrols/sne11000 firmware · johnsoncontrols/sne10500 firmware · johnsoncontrols/sne110l0 firmware · johnsoncontrols/snc25150-0 firmware · johnsoncontrols/snc25150-04 firmware · johnsoncontrols/snc16120-0 firmware · johnsoncontrols/snc16120-04 firmware · johnsoncontrols/f4-snc firmware
Source
productsecurity@jci.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.